package models

import (
	"errors"
	"reflect"
	"strings"
	"time"

	"github.com/beego/beego/v2/client/orm"
)

type User_free_calls struct {
	Id         int64 `orm:"auto"`
	UserId     int64
	Scene      int
	Used       int
	CreateTime int64
	ExpireTime int64
	UsedTime   int64
}

func init() {
	orm.RegisterModel(new(User_free_calls))
}

// AddUser_free_calls insert a new User_free_calls into database and returns
// last inserted Id on success.
func AddUser_free_calls(m *User_free_calls) (id int64, err error) {
	o := orm.NewOrm()
	id, err = o.Insert(m)
	return
}

// 批量插入User_free_calls
func AddUser_free_callsMulti(ml []*User_free_calls) (err error) {
	o := orm.NewOrm()
	_, err = o.InsertMulti(len(ml), ml)
	return
}

// GetUser_free_callsById retrieves User_free_calls by Id. Returns error if
// Id doesn't exist
func GetUser_free_callsById(id int64) (v *User_free_calls, err error) {
	o := orm.NewOrm()
	v = &User_free_calls{Id: id}
	if err = o.QueryTable(new(User_free_calls)).Filter("Id", id).RelatedSel().One(v); err == nil {
		return v, nil
	}
	return nil, err
}

// CountAvailableCallsByUserId 获取用户剩余可用免费通话卡数
func CountAvailableCallsByUserId(userId int64) (count int64, err error) {
	o := orm.NewOrm()
	qs := o.QueryTable(new(User_free_calls))
	qs = qs.Filter("UserId", userId)
	qs = qs.Filter("ExpireTime__gt", time.Now().Unix())
	qs = qs.Filter("Used", 0)
	count, err = qs.Count()
	return
}

// GetAllUser_free_calls retrieves all User_free_calls matches certain condition. Returns empty list if
// no records exist
func GetAllUser_free_calls(query map[string]string, fields []string, sortby []string, order []string,
	offset int64, limit int64) (ml []interface{}, err error) {
	o := orm.NewOrm()
	qs := o.QueryTable(new(User_free_calls))
	// query k=v
	for k, v := range query {
		// rewrite dot-notation to Object__Attribute
		k = strings.Replace(k, ".", "__", -1)
		qs = qs.Filter(k, v)
	}
	// order by:
	var sortFields []string
	if len(sortby) != 0 {
		if len(sortby) == len(order) {
			// 1) for each sort field, there is an associated order
			for i, v := range sortby {
				orderby := ""
				if order[i] == "desc" {
					orderby = "-" + v
				} else if order[i] == "asc" {
					orderby = v
				} else {
					return nil, errors.New("Error: Invalid order. Must be either [asc|desc]")
				}
				sortFields = append(sortFields, orderby)
			}
			qs = qs.OrderBy(sortFields...)
		} else if len(sortby) != len(order) && len(order) == 1 {
			// 2) there is exactly one order, all the sorted fields will be sorted by this order
			for _, v := range sortby {
				orderby := ""
				if order[0] == "desc" {
					orderby = "-" + v
				} else if order[0] == "asc" {
					orderby = v
				} else {
					return nil, errors.New("Error: Invalid order. Must be either [asc|desc]")
				}
				sortFields = append(sortFields, orderby)
			}
		} else if len(sortby) != len(order) && len(order) != 1 {
			return nil, errors.New("Error: 'sortby', 'order' sizes mismatch or 'order' size is not 1")
		}
	} else {
		if len(order) != 0 {
			return nil, errors.New("Error: unused 'order' fields")
		}
	}

	var l []User_free_calls
	qs = qs.OrderBy(sortFields...).RelatedSel()
	if _, err = qs.Limit(limit, offset).All(&l, fields...); err == nil {
		if len(fields) == 0 {
			for _, v := range l {
				ml = append(ml, v)
			}
		} else {
			// trim unused fields
			for _, v := range l {
				m := make(map[string]interface{})
				val := reflect.ValueOf(v)
				for _, fname := range fields {
					m[fname] = val.FieldByName(fname).Interface()
				}
				ml = append(ml, m)
			}
		}
		return ml, nil
	}
	return nil, err
}

// UpdateUser_free_calls updates User_free_calls by Id and returns error if
// the record to be updated doesn't exist
func UpdateUser_free_callsById(m *User_free_calls) (err error) {
	o := orm.NewOrm()
	v := User_free_calls{Id: m.Id}
	// ascertain id exists in the database
	if err = o.Read(&v); err == nil {
		//var num int64
		if _, err = o.Update(m); err != nil {
			return
		}
	}
	return
}

func UpdateUserFreeCallsByUserIdAndFields(m *User_free_calls, fields []string) (err error) {
	o := orm.NewOrm()
	v := User_free_calls{UserId: m.UserId}
	// ascertain UserId exists in the database
	if err = o.Read(&v); err == nil {
		//var num int64
		if _, err = o.Update(m, fields...); err != nil {
			return
		}
	}
	return
}

// DeleteUser_free_calls deletes User_free_calls by Id and returns error if
// the record to be deleted doesn't exist
func DeleteUser_free_calls(id int64) (err error) {
	o := orm.NewOrm()
	v := User_free_calls{Id: id}
	// ascertain id exists in the database
	if err = o.Read(&v); err == nil {
		//var num int64
		if _, err = o.Delete(&User_free_calls{Id: id}); err != nil {
			return
		}
	}
	return
}
